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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
sound products-namely, public address systems comprising amplifiers, microphones, speakers, lecterns, ac adapters, speaker head sets; radios; televisions; transmitters; receivers and converters; two way radios; power megaphones; portable message announcers; portable directional horn speaker systems and mobile speaker systems